FragmentManager.java revision ec9fb2522d42d1ff73ddffa12b318d925c10ab18
1cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn/* 2cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Copyright (C) 2011 The Android Open Source Project 3cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 4cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Licensed under the Apache License, Version 2.0 (the "License"); 5cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * you may not use this file except in compliance with the License. 6cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * You may obtain a copy of the License at 7cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 8cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * http://www.apache.org/licenses/LICENSE-2.0 9cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 10cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Unless required by applicable law or agreed to in writing, software 11cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * distributed under the License is distributed on an "AS IS" BASIS, 12cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * See the License for the specific language governing permissions and 14cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * limitations under the License. 15cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 16cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 17cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornpackage android.support.v4.app; 18cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 199277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.content.Context; 20cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.content.res.Configuration; 21ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackbornimport android.content.res.Resources; 22cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.os.Bundle; 23cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.os.Handler; 24cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.os.Looper; 25cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.os.Parcel; 26cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.os.Parcelable; 27cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.support.v4.util.DebugUtils; 28cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.support.v4.util.LogWriter; 29cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.util.Log; 30cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.util.SparseArray; 319277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.view.animation.AccelerateInterpolator; 329277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.view.animation.AlphaAnimation; 33cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.animation.Animation; 349277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.view.animation.AnimationSet; 35cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.animation.AnimationUtils; 369277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.view.animation.DecelerateInterpolator; 379277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.view.animation.Interpolator; 389277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.view.animation.ScaleAnimation; 39cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.animation.Animation.AnimationListener; 40cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.Menu; 41cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.MenuInflater; 42cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.MenuItem; 43cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.View; 44cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.ViewGroup; 45cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 46cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport java.io.FileDescriptor; 47cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport java.io.PrintWriter; 48cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport java.util.ArrayList; 49cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport java.util.Arrays; 50cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 51cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn/** 52cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Static library support version of the framework's {@link android.app.FragmentManager}. 53cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Used to write apps that run on platforms prior to Android 3.0. When running 54cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * on Android 3.0 or above, this implementation is still used; it does not try 55cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * to switch to the framework's implementation. See the framework SDK 56cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * documentation for a class overview. 57cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 58cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * <p>Your activity must derive from {@link FragmentActivity} to use this. 59cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 60cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornpublic abstract class FragmentManager { 61cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 62cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Representation of an entry on the fragment back stack, as created 63cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * with {@link FragmentTransaction#addToBackStack(String) 64cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * FragmentTransaction.addToBackStack()}. Entries can later be 65cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * retrieved with {@link FragmentManager#getBackStackEntryAt(int) 66cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * FragmentManager.getBackStackEntry()}. 67cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 68cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * <p>Note that you should never hold on to a BackStackEntry object; 69cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the identifier as returned by {@link #getId} is the only thing that 70cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * will be persisted across activity instances. 71cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 72cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public interface BackStackEntry { 73cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 74cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the unique identifier for the entry. This is the only 75cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * representation of the entry that will persist across activity 76cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * instances. 77cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 78cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public int getId(); 79cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 80cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 812a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn * Get the name that was supplied to 822a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn * {@link FragmentTransaction#addToBackStack(String) 832a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn * FragmentTransaction.addToBackStack(String)} when creating this entry. 842a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn */ 852a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn public String getName(); 862a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn 872a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn /** 88cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the full bread crumb title resource identifier for the entry, 89cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * or 0 if it does not have one. 90cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 91cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public int getBreadCrumbTitleRes(); 92cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 93cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 94cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the short bread crumb title resource identifier for the entry, 95cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * or 0 if it does not have one. 96cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 97cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public int getBreadCrumbShortTitleRes(); 98cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 99cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 100cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the full bread crumb title for the entry, or null if it 101cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * does not have one. 102cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 103cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public CharSequence getBreadCrumbTitle(); 104cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 105cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 106cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the short bread crumb title for the entry, or null if it 107cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * does not have one. 108cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 109cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public CharSequence getBreadCrumbShortTitle(); 110cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 111cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 112cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 113cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Interface to watch for changes to the back stack. 114cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 115cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public interface OnBackStackChangedListener { 116cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 117cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Called whenever the contents of the back stack change. 118cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 119cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void onBackStackChanged(); 120cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 121cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 122cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 123cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Start a series of edit operations on the Fragments associated with 124cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * this FragmentManager. 125cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 126cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * <p>Note: A fragment transaction can only be created/committed prior 127cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * to an activity saving its state. If you try to commit a transaction 128cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * after {@link FragmentActivity#onSaveInstanceState FragmentActivity.onSaveInstanceState()} 129cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * (and prior to a following {@link FragmentActivity#onStart FragmentActivity.onStart} 130cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * or {@link FragmentActivity#onResume FragmentActivity.onResume()}, you will get an error. 131cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * This is because the framework takes care of saving your current fragments 132cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * in the state, and if changes are made after the state is saved then they 133cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * will be lost.</p> 134cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 135cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract FragmentTransaction beginTransaction(); 136cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 137cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** @hide -- remove once prebuilts are in. */ 138cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Deprecated 139cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentTransaction openTransaction() { 140cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return beginTransaction(); 141cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 142cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 143cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 144cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * After a {@link FragmentTransaction} is committed with 145cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link FragmentTransaction#commit FragmentTransaction.commit()}, it 146cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * is scheduled to be executed asynchronously on the process's main thread. 147cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * If you want to immediately executing any such pending operations, you 148cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * can call this function (only from the main thread) to do so. Note that 149cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * all callbacks and other related behavior will be done from within this 150cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * call, so be careful about where this is called from. 151cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 152cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return Returns true if there were any pending transactions to be 153cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * executed. 154cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 155cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract boolean executePendingTransactions(); 156cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 157cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 158cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Finds a fragment that was identified by the given id either when inflated 159cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * from XML or as the container ID when added in a transaction. This first 160cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * searches through fragments that are currently added to the manager's 161cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * activity; if no such fragment is found, then all fragments currently 162cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * on the back stack associated with this ID are searched. 163cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return The fragment if found or null otherwise. 164cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 165cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract Fragment findFragmentById(int id); 166cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 167cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 168cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Finds a fragment that was identified by the given tag either when inflated 169cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * from XML or as supplied when added in a transaction. This first 170cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * searches through fragments that are currently added to the manager's 171cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * activity; if no such fragment is found, then all fragments currently 172cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * on the back stack are searched. 173cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return The fragment if found or null otherwise. 174cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 175cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract Fragment findFragmentByTag(String tag); 176cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 177cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 178cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Flag for {@link #popBackStack(String, int)} 179cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * and {@link #popBackStack(int, int)}: If set, and the name or ID of 180cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * a back stack entry has been supplied, then all matching entries will 181cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * be consumed until one that doesn't match is found or the bottom of 182cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the stack is reached. Otherwise, all entries up to but not including that entry 183cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * will be removed. 184cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 185cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public static final int POP_BACK_STACK_INCLUSIVE = 1<<0; 186cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 187cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 188cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Pop the top state off the back stack. Returns true if there was one 189cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * to pop, else false. This function is asynchronous -- it enqueues the 190cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * request to pop, but the action will not be performed until the application 191cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * returns to its event loop. 192cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 193cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void popBackStack(); 194cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 195cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 196cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Like {@link #popBackStack()}, but performs the operation immediately 197cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * inside of the call. This is like calling {@link #executePendingTransactions()} 198cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * afterwards. 199cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return Returns true if there was something popped, else false. 200cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 201cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract boolean popBackStackImmediate(); 202cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 203cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 204cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Pop the last fragment transition from the manager's fragment 205cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * back stack. If there is nothing to pop, false is returned. 206cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * This function is asynchronous -- it enqueues the 207cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * request to pop, but the action will not be performed until the application 208cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * returns to its event loop. 209cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 210cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param name If non-null, this is the name of a previous back state 211cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * to look for; if found, all states up to that state will be popped. The 212cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link #POP_BACK_STACK_INCLUSIVE} flag can be used to control whether 213cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the named state itself is popped. If null, only the top state is popped. 214cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param flags Either 0 or {@link #POP_BACK_STACK_INCLUSIVE}. 215cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 216cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void popBackStack(String name, int flags); 217cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 218cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 219cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Like {@link #popBackStack(String, int)}, but performs the operation immediately 220cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * inside of the call. This is like calling {@link #executePendingTransactions()} 221cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * afterwards. 222cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return Returns true if there was something popped, else false. 223cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 224cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract boolean popBackStackImmediate(String name, int flags); 225cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 226cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 227cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Pop all back stack states up to the one with the given identifier. 228cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * This function is asynchronous -- it enqueues the 229cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * request to pop, but the action will not be performed until the application 230cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * returns to its event loop. 231cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 232cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param id Identifier of the stated to be popped. If no identifier exists, 233cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * false is returned. 234cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * The identifier is the number returned by 235cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link FragmentTransaction#commit() FragmentTransaction.commit()}. The 236cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link #POP_BACK_STACK_INCLUSIVE} flag can be used to control whether 237cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the named state itself is popped. 238cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param flags Either 0 or {@link #POP_BACK_STACK_INCLUSIVE}. 239cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 240cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void popBackStack(int id, int flags); 241cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 242cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 243cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Like {@link #popBackStack(int, int)}, but performs the operation immediately 244cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * inside of the call. This is like calling {@link #executePendingTransactions()} 245cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * afterwards. 246cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return Returns true if there was something popped, else false. 247cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 248cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract boolean popBackStackImmediate(int id, int flags); 249cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 250cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 251cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the number of entries currently in the back stack. 252cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 253cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract int getBackStackEntryCount(); 254cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 255cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 256cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the BackStackEntry at index <var>index</var> in the back stack; 257cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * entries start index 0 being the bottom of the stack. 258cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 259cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract BackStackEntry getBackStackEntryAt(int index); 260cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 261cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 262cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Add a new listener for changes to the fragment back stack. 263cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 264cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void addOnBackStackChangedListener(OnBackStackChangedListener listener); 265cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 266cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 267cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Remove a listener that was previously added with 268cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link #addOnBackStackChangedListener(OnBackStackChangedListener)}. 269cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 270cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void removeOnBackStackChangedListener(OnBackStackChangedListener listener); 271cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 272cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 273cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Put a reference to a fragment in a Bundle. This Bundle can be 274cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * persisted as saved state, and when later restoring 275cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link #getFragment(Bundle, String)} will return the current 276cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * instance of the same fragment. 277cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 278cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param bundle The bundle in which to put the fragment reference. 279cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param key The name of the entry in the bundle. 280cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param fragment The Fragment whose reference is to be stored. 281cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 282cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void putFragment(Bundle bundle, String key, Fragment fragment); 283cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 284cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 285cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Retrieve the current Fragment instance for a reference previously 286cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * placed with {@link #putFragment(Bundle, String, Fragment)}. 287cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 288cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param bundle The bundle from which to retrieve the fragment reference. 289cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param key The name of the entry in the bundle. 290cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return Returns the current Fragment instance that is associated with 291cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the given reference. 292cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 293cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract Fragment getFragment(Bundle bundle, String key); 294cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 295cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 2965c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * Save the current instance state of the given Fragment. This can be 2975c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * used later when creating a new instance of the Fragment and adding 2985c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * it to the fragment manager, to have it create itself to match the 2995c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * current state returned here. Note that there are limits on how 3005c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * this can be used: 3015c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * 3025c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * <ul> 3035c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * <li>The Fragment must currently be attached to the FragmentManager. 3045c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * <li>A new Fragment created using this saved state must be the same class 3055c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * type as the Fragment it was created from. 3065c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * <li>The saved state can not contain dependencies on other fragments -- 3075c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * that is it can't use {@link #putFragment(Bundle, String, Fragment)} to 3085c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * store a fragment reference because that reference may not be valid when 3095c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * this saved state is later used. Likewise the Fragment's target and 3105c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * result code are not included in this state. 3115c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * </ul> 3125c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * 3135c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * @param f The Fragment whose state is to be saved. 3145c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * @return The generated state. This will be null if there was no 3155c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * interesting state created by the fragment. 3165c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn */ 3175c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn public abstract Fragment.SavedState saveFragmentInstanceState(Fragment f); 3185c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 3195c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn /** 320cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Print the FragmentManager's state into the given stream. 321cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 322cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param prefix Text to print at the front of each line. 323cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param fd The raw file descriptor that the dump is being sent to. 324cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param writer A PrintWriter to which the dump is to be set. 325cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param args Additional arguments to the dump request. 326cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 327cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void dump(String prefix, FileDescriptor fd, PrintWriter writer, String[] args); 328cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 329cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 330cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Control whether the framework's internal fragment manager debugging 331cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * logs are turned on. If enabled, you will see output in logcat as 332cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the framework performs fragment operations. 333cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 334cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public static void enableDebugLogging(boolean enabled) { 335cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.DEBUG = enabled; 336cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 337cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn} 338cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 339cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornfinal class FragmentManagerState implements Parcelable { 340cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentState[] mActive; 341cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int[] mAdded; 342cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackState[] mBackStack; 343cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 344cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentManagerState() { 345cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 346cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 347cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentManagerState(Parcel in) { 348cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActive = in.createTypedArray(FragmentState.CREATOR); 349cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAdded = in.createIntArray(); 350cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack = in.createTypedArray(BackStackState.CREATOR); 351cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 352cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 353cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public int describeContents() { 354cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return 0; 355cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 356cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 357cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void writeToParcel(Parcel dest, int flags) { 358cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn dest.writeTypedArray(mActive, flags); 359cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn dest.writeIntArray(mAdded); 360cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn dest.writeTypedArray(mBackStack, flags); 361cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 362cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 363cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public static final Parcelable.Creator<FragmentManagerState> CREATOR 364cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn = new Parcelable.Creator<FragmentManagerState>() { 365cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentManagerState createFromParcel(Parcel in) { 366cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return new FragmentManagerState(in); 367cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 368cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 369cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentManagerState[] newArray(int size) { 370cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return new FragmentManagerState[size]; 371cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 372cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn }; 373cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn} 374cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 375cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn/** 376cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Container for fragments associated with an activity. 377cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 378cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornfinal class FragmentManagerImpl extends FragmentManager { 379cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn static boolean DEBUG = false; 380cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn static final String TAG = "FragmentManager"; 381cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 382681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn static final boolean HONEYCOMB = android.os.Build.VERSION.SDK_INT >= 11; 383681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn 384cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn static final String TARGET_REQUEST_CODE_STATE_TAG = "android:target_req_state"; 385cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn static final String TARGET_STATE_TAG = "android:target_state"; 386cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn static final String VIEW_STATE_TAG = "android:view_state"; 38779398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell static final String USER_VISIBLE_HINT_TAG = "android:user_visible_hint"; 388cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 389cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Runnable> mPendingActions; 390cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Runnable[] mTmpActions; 391cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean mExecutingActions; 392cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 393cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Fragment> mActive; 394cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Fragment> mAdded; 395cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Integer> mAvailIndices; 396cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<BackStackRecord> mBackStack; 397cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Fragment> mCreatedMenus; 398cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 399cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Must be accessed while locked. 400cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<BackStackRecord> mBackStackIndices; 401cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Integer> mAvailBackStackIndices; 402cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 403cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<OnBackStackChangedListener> mBackStackChangeListeners; 404cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 405cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int mCurState = Fragment.INITIALIZING; 406cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentActivity mActivity; 407cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 408cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean mNeedMenuInvalidate; 409cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean mStateSaved; 410cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean mDestroyed; 411cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn String mNoTransactionsBecause; 41279398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell boolean mHavePendingDeferredStart; 413cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 414cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Temporary vars for state save and restore. 415cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Bundle mStateBundle = null; 416cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn SparseArray<Parcelable> mStateArray = null; 417cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 418cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Runnable mExecCommit = new Runnable() { 419cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 420cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void run() { 421cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn execPendingActions(); 422cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 423cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn }; 424cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 425ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn private void logViewHierarchy(String prefix, View view) { 426ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn StringBuilder builder = new StringBuilder(128); 427ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn builder.append(prefix); 428ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn DebugUtils.buildShortClassTag(view, builder); 429ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn int id = view.getId(); 430ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn if (id != -1) { 431ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn builder.append(" #"); 432ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn builder.append(Integer.toHexString(id)); 433ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn if (id != 0 && id != -1) { 434ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn try { 435ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn String pkgname; 436ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn switch (id&0xff000000) { 437ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn case 0x7f000000: 438ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn pkgname="app"; 439ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn break; 440ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn case 0x01000000: 441ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn pkgname="android"; 442ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn break; 443ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn default: 444ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn pkgname = view.getResources().getResourcePackageName(id); 445ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn break; 446ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } 447ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn String typename = view.getResources().getResourceTypeName(id); 448ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn String entryname = view.getResources().getResourceEntryName(id); 449ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn builder.append(" ("); 450ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn builder.append(pkgname); 451ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn builder.append(":"); 452ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn builder.append(typename); 453ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn builder.append("/"); 454ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn builder.append(entryname); 455ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn builder.append(")"); 456ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } catch (Resources.NotFoundException e) { 457ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } 458ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } 459ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } 460ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn Object tag = view.getTag(); 461ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn if (tag != null) { 462ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn builder.append(" "); 463ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn builder.append(tag); 464ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } 465ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn builder.append("}"); 466ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn Log.e(TAG, builder.toString()); 467ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn 468ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn if (!(view instanceof ViewGroup)) { 469ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn return; 470ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } 471ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn ViewGroup grp = (ViewGroup)view; 472ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn final int N = grp.getChildCount(); 473ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn if (N <= 0) { 474ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn return; 475ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } 476ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn prefix = prefix + " "; 477ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn for (int i=0; i<N; i++) { 478ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn logViewHierarchy(prefix, grp.getChildAt(i)); 479ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } 480ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } 481ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn 482ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn private void throwNoViewFound(Fragment f) { 483ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn String msg = "No view found for id 0x" 484ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn + Integer.toHexString(f.mContainerId) + " (" 485ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn + f.getResources().getResourceName(f.mContainerId) 486ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn + ") for fragment " + f; 487ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn Log.e(TAG, msg); 488ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn Log.e(TAG, "Activity state:"); 489ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn if (f.getActivity() != null) { 490ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn try { 491ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn LogWriter logw = new LogWriter(TAG); 492ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn PrintWriter pw = new PrintWriter(logw); 493ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn f.getActivity().dump(" ", null, pw, new String[] { }); 494ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } catch (Exception e) { 495ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn Log.e(TAG, "Failed dumping state", e); 496ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } 497ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } else { 498ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn Log.e(TAG, " NULL ACTIVITY!"); 499ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } 500ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn Log.e(TAG, "View hierarchy:"); 501ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn if (f.getActivity() != null) { 502ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn try { 503ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn logViewHierarchy(" ", f.getActivity().getWindow().getDecorView()); 504ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } catch (Exception e) { 505ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn Log.e(TAG, "Failed dumping view hierarchy", e); 506ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } 507ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } else { 508ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn Log.e(TAG, " NULL ACTIVITY!"); 509ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } 510ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn throw new IllegalArgumentException(msg); 511ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } 512ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn 513cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 514cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentTransaction beginTransaction() { 515cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return new BackStackRecord(this); 516cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 517cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 518cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 519cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean executePendingTransactions() { 520cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return execPendingActions(); 521cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 522cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 523cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 524cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void popBackStack() { 525cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn enqueueAction(new Runnable() { 526cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override public void run() { 527cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn popBackStackState(mActivity.mHandler, null, -1, 0); 528cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 529cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn }, false); 530cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 531cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 532cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 533cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean popBackStackImmediate() { 534cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn checkStateLoss(); 535cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn executePendingTransactions(); 536cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return popBackStackState(mActivity.mHandler, null, -1, 0); 537cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 538cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 539cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 540cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void popBackStack(final String name, final int flags) { 541cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn enqueueAction(new Runnable() { 542cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override public void run() { 543cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn popBackStackState(mActivity.mHandler, name, -1, flags); 544cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 545cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn }, false); 546cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 547cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 548cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 549cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean popBackStackImmediate(String name, int flags) { 550cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn checkStateLoss(); 551cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn executePendingTransactions(); 552cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return popBackStackState(mActivity.mHandler, name, -1, flags); 553cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 554cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 555cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 556cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void popBackStack(final int id, final int flags) { 557cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (id < 0) { 558cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalArgumentException("Bad id: " + id); 559cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 560cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn enqueueAction(new Runnable() { 561cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override public void run() { 562cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn popBackStackState(mActivity.mHandler, null, id, flags); 563cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 564cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn }, false); 565cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 566cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 567cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 568cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean popBackStackImmediate(int id, int flags) { 569cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn checkStateLoss(); 570cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn executePendingTransactions(); 571cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (id < 0) { 572cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalArgumentException("Bad id: " + id); 573cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 574cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return popBackStackState(mActivity.mHandler, null, id, flags); 575cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 576cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 577cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 578cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public int getBackStackEntryCount() { 579cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return mBackStack != null ? mBackStack.size() : 0; 580cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 581cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 582cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 583cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public BackStackEntry getBackStackEntryAt(int index) { 584cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return mBackStack.get(index); 585cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 586cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 587cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 588cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void addOnBackStackChangedListener(OnBackStackChangedListener listener) { 589cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackChangeListeners == null) { 590cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackChangeListeners = new ArrayList<OnBackStackChangedListener>(); 591cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 592cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackChangeListeners.add(listener); 593cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 594cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 595cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 596cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void removeOnBackStackChangedListener(OnBackStackChangedListener listener) { 597cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackChangeListeners != null) { 598cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackChangeListeners.remove(listener); 599cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 600cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 601cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 602cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 603cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void putFragment(Bundle bundle, String key, Fragment fragment) { 604cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fragment.mIndex < 0) { 605cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException("Fragment " + fragment 606cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " is not currently in the FragmentManager"); 607cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 608cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn bundle.putInt(key, fragment.mIndex); 609cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 610cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 611cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 612cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public Fragment getFragment(Bundle bundle, String key) { 613cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int index = bundle.getInt(key, -1); 614cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (index == -1) { 615cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 616cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 617cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (index >= mActive.size()) { 618cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException("Fragement no longer exists for key " 619cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + key + ": index " + index); 620cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 621cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(index); 622cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f == null) { 623cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException("Fragement no longer exists for key " 624cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + key + ": index " + index); 625cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 626cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 627cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 628cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 629cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 6305c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn public Fragment.SavedState saveFragmentInstanceState(Fragment fragment) { 6315c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (fragment.mIndex < 0) { 6325c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn throw new IllegalStateException("Fragment " + fragment 6335c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn + " is not currently in the FragmentManager"); 6345c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 6355c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (fragment.mState > Fragment.INITIALIZING) { 6365c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn Bundle result = saveFragmentBasicState(fragment); 6375c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn return result != null ? new Fragment.SavedState(result) : null; 6385c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 6395c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn return null; 6405c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 6415c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 6425c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn @Override 643cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public String toString() { 644cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn StringBuilder sb = new StringBuilder(128); 645cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn sb.append("FragmentManager{"); 646cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn sb.append(Integer.toHexString(System.identityHashCode(this))); 647cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn sb.append(" in "); 648cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn DebugUtils.buildShortClassTag(mActivity, sb); 649cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn sb.append("}}"); 650cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return sb.toString(); 651cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 652cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 653cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 654cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dump(String prefix, FileDescriptor fd, PrintWriter writer, String[] args) { 655cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn String innerPrefix = prefix + " "; 656cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 657cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int N; 658cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null) { 659cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mActive.size(); 660cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 661cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print("Active Fragments in "); 662cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(Integer.toHexString(System.identityHashCode(this))); 663cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.println(":"); 664cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 665cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(i); 666cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 667cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(f); 668cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null) { 669cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.dump(innerPrefix, fd, writer, args); 670cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 671cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 672cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 673cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 674cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 675cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAdded != null) { 676cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mAdded.size(); 677cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 678cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("Added Fragments:"); 679cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 680cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 681cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 682cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(f.toString()); 683cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 684cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 685cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 686cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 687cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mCreatedMenus != null) { 688cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mCreatedMenus.size(); 689cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 690cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("Fragments Created Menus:"); 691cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 692cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mCreatedMenus.get(i); 693cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 694cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(f.toString()); 695cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 696cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 697cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 698cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 699cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStack != null) { 700cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mBackStack.size(); 701cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 702cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("Back Stack:"); 703cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 704cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackRecord bs = mBackStack.get(i); 705cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 706cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(bs.toString()); 707cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn bs.dump(innerPrefix, fd, writer, args); 708cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 709cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 710cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 711cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 712cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn synchronized (this) { 713cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackIndices != null) { 714cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mBackStackIndices.size(); 715cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 716cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("Back Stack Indices:"); 717cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 718cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackRecord bs = mBackStackIndices.get(i); 719cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 720cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(bs); 721cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 722cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 723cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 724cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 725cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailBackStackIndices != null && mAvailBackStackIndices.size() > 0) { 726cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print("mAvailBackStackIndices: "); 727cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.println(Arrays.toString(mAvailBackStackIndices.toArray())); 728cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 729cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 730cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 731cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mPendingActions != null) { 732cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mPendingActions.size(); 733cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 734cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("Pending Actions:"); 735cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 736cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Runnable r = mPendingActions.get(i); 737cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 738cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(r); 739cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 740cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 741cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 742cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 743cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("FragmentManager misc state:"); 744cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" mCurState="); writer.print(mCurState); 745cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(" mStateSaved="); writer.print(mStateSaved); 746cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(" mDestroyed="); writer.println(mDestroyed); 747cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mNeedMenuInvalidate) { 748cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" mNeedMenuInvalidate="); 749cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.println(mNeedMenuInvalidate); 750cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 751cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mNoTransactionsBecause != null) { 752cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" mNoTransactionsBecause="); 753cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.println(mNoTransactionsBecause); 754cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 755cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailIndices != null && mAvailIndices.size() > 0) { 756cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" mAvailIndices: "); 757cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.println(Arrays.toString(mAvailIndices.toArray())); 758cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 759cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 760cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 7619277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static final Interpolator DECELERATE_QUINT = new DecelerateInterpolator(2.5f); 7629277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static final Interpolator DECELERATE_CUBIC = new DecelerateInterpolator(1.5f); 7639277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static final Interpolator ACCELERATE_QUINT = new AccelerateInterpolator(2.5f); 7649277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static final Interpolator ACCELERATE_CUBIC = new AccelerateInterpolator(1.5f); 7659277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn 7669277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static final int ANIM_DUR = 220; 7679277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn 7689277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static Animation makeOpenCloseAnimation(Context context, float startScale, 7699277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn float endScale, float startAlpha, float endAlpha) { 7709277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn AnimationSet set = new AnimationSet(false); 7719277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn ScaleAnimation scale = new ScaleAnimation(startScale, endScale, startScale, endScale, 7729277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn Animation.RELATIVE_TO_SELF, .5f, Animation.RELATIVE_TO_SELF, .5f); 7739277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn scale.setInterpolator(DECELERATE_QUINT); 7749277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn scale.setDuration(ANIM_DUR); 7759277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn set.addAnimation(scale); 7769277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn AlphaAnimation alpha = new AlphaAnimation(startAlpha, endAlpha); 7779277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn alpha.setInterpolator(DECELERATE_CUBIC); 7789277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn alpha.setDuration(ANIM_DUR); 7799277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn set.addAnimation(alpha); 7809277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return set; 7819277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn } 7829277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn 7839277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static Animation makeFadeAnimation(Context context, float start, float end) { 7849277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn AlphaAnimation anim = new AlphaAnimation(start, end); 7859277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn anim.setInterpolator(DECELERATE_CUBIC); 7869277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn anim.setDuration(ANIM_DUR); 7879277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return anim; 7889277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn } 7899277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn 7909277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn Animation loadAnimation(Fragment fragment, int transit, boolean enter, 791cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int transitionStyle) { 7929277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn Animation animObj = fragment.onCreateAnimation(transit, enter, 793cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mNextAnim); 794cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (animObj != null) { 795cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return animObj; 796cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 797cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 798cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fragment.mNextAnim != 0) { 799cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Animation anim = AnimationUtils.loadAnimation(mActivity, fragment.mNextAnim); 800cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (anim != null) { 801cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return anim; 802cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 803cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 804cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 805cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (transit == 0) { 806cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 807cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 808cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 809cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int styleIndex = transitToStyleIndex(transit, enter); 810cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (styleIndex < 0) { 811cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 812cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 813cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 8149277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn switch (styleIndex) { 8159277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_OPEN_ENTER: 8169277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return makeOpenCloseAnimation(mActivity, 1.125f, 1.0f, 0, 1); 8179277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_OPEN_EXIT: 8189277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return makeOpenCloseAnimation(mActivity, 1.0f, .975f, 1, 0); 8199277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_CLOSE_ENTER: 8209277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return makeOpenCloseAnimation(mActivity, .975f, 1.0f, 0, 1); 8219277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_CLOSE_EXIT: 8229277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return makeOpenCloseAnimation(mActivity, 1.0f, 1.075f, 1, 0); 8239277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_FADE_ENTER: 8249277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return makeFadeAnimation(mActivity, 0, 1); 8259277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_FADE_EXIT: 8269277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return makeFadeAnimation(mActivity, 1, 0); 8279277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn } 8289277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn 829cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (transitionStyle == 0 && mActivity.getWindow() != null) { 830cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn transitionStyle = mActivity.getWindow().getAttributes().windowAnimations; 831cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 832cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (transitionStyle == 0) { 833cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 834cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 835cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 836cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //TypedArray attrs = mActivity.obtainStyledAttributes(transitionStyle, 837cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // com.android.internal.R.styleable.FragmentAnimation); 838cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //int anim = attrs.getResourceId(styleIndex, 0); 839cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //attrs.recycle(); 840cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 841cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //if (anim == 0) { 842cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // return null; 843cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //} 844cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 845cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //return AnimatorInflater.loadAnimator(mActivity, anim); 846cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 847cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 848cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 849abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell public void performPendingDeferredStart(Fragment f) { 850abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell if (f.mDeferStart) { 85179398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell if (mExecutingActions) { 85279398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell // Wait until we're done executing our pending transactions 85379398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell mHavePendingDeferredStart = true; 85479398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell return; 85579398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 856abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell f.mDeferStart = false; 8575506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn moveToState(f, mCurState, 0, 0, false); 858abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 859abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 860abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell 8615506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn void moveToState(Fragment f, int newState, int transit, int transitionStyle, 8625506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn boolean keepActive) { 863cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Fragments that are not currently added will sit in the onCreate() state. 864cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mAdded && newState > Fragment.CREATED) { 865cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn newState = Fragment.CREATED; 866cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 8672c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn if (f.mRemoving && newState > f.mState) { 8682c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn // While removing a fragment, we can't change it to a higher state. 8692c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn newState = f.mState; 8702c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn } 8716cafd27a3c89dfed10d7e226dc6168307513d4a6Adam Powell // Defer start if requested; don't allow it to move to STARTED or higher 8726cafd27a3c89dfed10d7e226dc6168307513d4a6Adam Powell // if it's not already started. 8736cafd27a3c89dfed10d7e226dc6168307513d4a6Adam Powell if (f.mDeferStart && f.mState < Fragment.STARTED && newState > Fragment.STOPPED) { 874abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell newState = Fragment.STOPPED; 875abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 876cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mState < newState) { 8779277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn // For fragments that are created from a layout, when restoring from 8789277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn // state we don't want to allow them to be created until they are 8799277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn // being reloaded from the layout. 8809277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn if (f.mFromLayout && !f.mInLayout) { 8819277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return; 8829277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn } 883cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mAnimatingAway != null) { 884cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // The fragment is currently being animated... but! Now we 885cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // want to move our state back up. Give up on waiting for the 886cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // animation, move to whatever the final state should be once 887cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // the animation is done, and then we can proceed from there. 888cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mAnimatingAway = null; 8895506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn moveToState(f, f.mStateAfterAnimating, 0, 0, true); 890cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 891cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn switch (f.mState) { 892cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.INITIALIZING: 893cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "moveto CREATED: " + f); 894cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mSavedFragmentState != null) { 895cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mSavedViewState = f.mSavedFragmentState.getSparseParcelableArray( 896cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.VIEW_STATE_TAG); 897cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mTarget = getFragment(f.mSavedFragmentState, 898cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.TARGET_STATE_TAG); 899cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mTarget != null) { 900cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mTargetRequestCode = f.mSavedFragmentState.getInt( 901cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.TARGET_REQUEST_CODE_STATE_TAG, 0); 902cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 90379398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell f.mUserVisibleHint = f.mSavedFragmentState.getBoolean( 90479398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell FragmentManagerImpl.USER_VISIBLE_HINT_TAG, true); 90579398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell if (!f.mUserVisibleHint) { 90679398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell f.mDeferStart = true; 90779398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell if (newState > Fragment.STOPPED) { 90879398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell newState = Fragment.STOPPED; 90979398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 91079398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 911cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 912cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mActivity = mActivity; 913cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mFragmentManager = mActivity.mFragments; 914cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mCalled = false; 915cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onAttach(mActivity); 916cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mCalled) { 917cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new SuperNotCalledException("Fragment " + f 918cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " did not call through to super.onAttach()"); 919cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 920cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActivity.onAttachFragment(f); 921cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 922cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mRetaining) { 923cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mCalled = false; 924cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onCreate(f.mSavedFragmentState); 925cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mCalled) { 926cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new SuperNotCalledException("Fragment " + f 927cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " did not call through to super.onCreate()"); 928cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 929cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 930cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mRetaining = false; 931cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mFromLayout) { 932cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // For fragments that are part of the content view 933cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // layout, we need to instantiate the view immediately 934cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // and the inflater will take care of adding it. 935cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mView = f.onCreateView(f.getLayoutInflater(f.mSavedFragmentState), 936cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn null, f.mSavedFragmentState); 937cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mView != null) { 938cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInnerView = f.mView; 939cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mView = NoSaveStateFrameLayout.wrap(f.mView); 940715a71e5f73cbc33f307cbd3625db8f889a05c1aDianne Hackborn if (f.mHidden) f.mView.setVisibility(View.GONE); 941e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn f.onViewCreated(f.mView, f.mSavedFragmentState); 942cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 943cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInnerView = null; 944cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 945cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 946cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.CREATED: 947cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState > Fragment.CREATED) { 948e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (DEBUG) Log.v(TAG, "moveto ACTIVITY_CREATED: " + f); 949cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mFromLayout) { 950cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ViewGroup container = null; 951cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mContainerId != 0) { 952cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn container = (ViewGroup)mActivity.findViewById(f.mContainerId); 953cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (container == null && !f.mRestored) { 954ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn throwNoViewFound(f); 955cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 956cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 957cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mContainer = container; 958cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mView = f.onCreateView(f.getLayoutInflater(f.mSavedFragmentState), 959cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn container, f.mSavedFragmentState); 960cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mView != null) { 961cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInnerView = f.mView; 962cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mView = NoSaveStateFrameLayout.wrap(f.mView); 963cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (container != null) { 9649277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn Animation anim = loadAnimation(f, transit, true, 965cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn transitionStyle); 966cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (anim != null) { 967cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mView.startAnimation(anim); 968cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 969cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn container.addView(f.mView); 970cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 971715a71e5f73cbc33f307cbd3625db8f889a05c1aDianne Hackborn if (f.mHidden) f.mView.setVisibility(View.GONE); 972e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn f.onViewCreated(f.mView, f.mSavedFragmentState); 973cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 974cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInnerView = null; 975cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 976cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 977cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 978cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mCalled = false; 979cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onActivityCreated(f.mSavedFragmentState); 980cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mCalled) { 981cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new SuperNotCalledException("Fragment " + f 982cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " did not call through to super.onActivityCreated()"); 983cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 984e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (f.mView != null) { 985e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn f.restoreViewState(); 986e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 987cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mSavedFragmentState = null; 988cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 989cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.ACTIVITY_CREATED: 990e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn case Fragment.STOPPED: 991e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (newState > Fragment.STOPPED) { 992cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "moveto STARTED: " + f); 993cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mCalled = false; 9949c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn f.performStart(); 995cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mCalled) { 996cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new SuperNotCalledException("Fragment " + f 997cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " did not call through to super.onStart()"); 998cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 999cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1000cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.STARTED: 1001cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState > Fragment.STARTED) { 1002cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "moveto RESUMED: " + f); 1003cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mCalled = false; 1004cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mResumed = true; 1005cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onResume(); 1006cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mCalled) { 1007cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new SuperNotCalledException("Fragment " + f 1008cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " did not call through to super.onResume()"); 1009cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 10104e6647fe2551985f33407acd712a4942b090207aDianne Hackborn f.mSavedFragmentState = null; 10114e6647fe2551985f33407acd712a4942b090207aDianne Hackborn f.mSavedViewState = null; 1012cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1013cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1014cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else if (f.mState > newState) { 1015cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn switch (f.mState) { 1016cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.RESUMED: 1017cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState < Fragment.RESUMED) { 1018cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "movefrom RESUMED: " + f); 1019cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mCalled = false; 1020cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onPause(); 1021cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mCalled) { 1022cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new SuperNotCalledException("Fragment " + f 1023cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " did not call through to super.onPause()"); 1024cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1025cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mResumed = false; 1026cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1027cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.STARTED: 1028cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState < Fragment.STARTED) { 1029cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "movefrom STARTED: " + f); 1030cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mCalled = false; 1031cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.performStop(); 1032cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mCalled) { 1033cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new SuperNotCalledException("Fragment " + f 1034cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " did not call through to super.onStop()"); 1035cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1036cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1037e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn case Fragment.STOPPED: 1038218c1e661578e2a17928f7dbb590b43d1c79aeb7Dianne Hackborn if (newState < Fragment.STOPPED) { 1039218c1e661578e2a17928f7dbb590b43d1c79aeb7Dianne Hackborn if (DEBUG) Log.v(TAG, "movefrom STOPPED: " + f); 1040218c1e661578e2a17928f7dbb590b43d1c79aeb7Dianne Hackborn f.performReallyStop(); 1041218c1e661578e2a17928f7dbb590b43d1c79aeb7Dianne Hackborn } 1042cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.ACTIVITY_CREATED: 1043cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState < Fragment.ACTIVITY_CREATED) { 1044e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (DEBUG) Log.v(TAG, "movefrom ACTIVITY_CREATED: " + f); 1045cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mView != null) { 1046cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Need to save the current view state if not 1047cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // done already. 1048cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!mActivity.isFinishing() && f.mSavedViewState == null) { 1049cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn saveFragmentViewState(f); 1050cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1051cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1052cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mCalled = false; 10539c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn f.performDestroyView(); 1054cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mCalled) { 1055cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new SuperNotCalledException("Fragment " + f 1056cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " did not call through to super.onDestroyView()"); 1057cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1058cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mView != null && f.mContainer != null) { 1059cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Animation anim = null; 1060cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mCurState > Fragment.INITIALIZING && !mDestroyed) { 10619277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn anim = loadAnimation(f, transit, false, 1062cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn transitionStyle); 1063cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1064cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (anim != null) { 1065cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn final Fragment fragment = f; 1066cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mAnimatingAway = f.mView; 1067cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mStateAfterAnimating = newState; 1068cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn anim.setAnimationListener(new AnimationListener() { 1069cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 1070cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void onAnimationEnd(Animation animation) { 1071cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fragment.mAnimatingAway != null) { 1072cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mAnimatingAway = null; 1073cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(fragment, fragment.mStateAfterAnimating, 10745506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn 0, 0, false); 1075cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1076cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1077cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 1078cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void onAnimationRepeat(Animation animation) { 1079cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1080cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 1081cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void onAnimationStart(Animation animation) { 1082cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1083cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn }); 10849277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn f.mView.startAnimation(anim); 1085cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1086cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mContainer.removeView(f.mView); 1087cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1088cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mContainer = null; 1089cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mView = null; 1090cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInnerView = null; 1091cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1092cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.CREATED: 1093cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState < Fragment.CREATED) { 1094cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mDestroyed) { 1095cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mAnimatingAway != null) { 1096cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // The fragment's containing activity is 1097cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // being destroyed, but this fragment is 1098cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // currently animating away. Stop the 1099cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // animation right now -- it is not needed, 1100cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // and we can't wait any more on destroying 1101cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // the fragment. 1102cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn View v = f.mAnimatingAway; 1103cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mAnimatingAway = null; 1104cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn v.clearAnimation(); 1105cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1106cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1107cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mAnimatingAway != null) { 1108cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // We are waiting for the fragment's view to finish 1109cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // animating away. Just make a note of the state 1110cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // the fragment now should move to once the animation 1111cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // is done. 1112cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mStateAfterAnimating = newState; 11132c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn newState = Fragment.CREATED; 1114cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1115cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "movefrom CREATED: " + f); 1116cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mRetaining) { 1117cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mCalled = false; 1118cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onDestroy(); 1119cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mCalled) { 1120cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new SuperNotCalledException("Fragment " + f 1121cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " did not call through to super.onDestroy()"); 1122cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1123cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1124cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1125cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mCalled = false; 1126cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onDetach(); 1127cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mCalled) { 1128cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new SuperNotCalledException("Fragment " + f 1129cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " did not call through to super.onDetach()"); 1130cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 11315506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn if (!keepActive) { 11325506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn if (!f.mRetaining) { 11335506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn makeInactive(f); 11345506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn } else { 11355506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn f.mActivity = null; 11365506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn f.mFragmentManager = null; 11375506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn } 11382c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn } 1139cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1140cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1141cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1142cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1143cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1144cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mState = newState; 1145cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1146cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1147cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void moveToState(Fragment f) { 11485506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn moveToState(f, mCurState, 0, 0, false); 1149cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1150cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1151cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void moveToState(int newState, boolean always) { 1152cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(newState, 0, 0, always); 1153cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1154cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1155cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void moveToState(int newState, int transit, int transitStyle, boolean always) { 1156cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActivity == null && newState != Fragment.INITIALIZING) { 1157cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException("No activity"); 1158cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1159cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1160cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!always && mCurState == newState) { 1161cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return; 1162cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1163cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1164cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mCurState = newState; 1165cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null) { 1166abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell boolean loadersRunning = false; 1167cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mActive.size(); i++) { 1168cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(i); 1169cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null) { 11705506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn moveToState(f, newState, transit, transitStyle, false); 1171abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell if (f.mLoaderManager != null) { 1172abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell loadersRunning |= f.mLoaderManager.hasRunningLoaders(); 1173abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 1174cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1175cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1176cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1177abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell if (!loadersRunning) { 1178abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell startPendingDeferredFragments(); 1179abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 1180abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell 11812a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (mNeedMenuInvalidate && mActivity != null && mCurState == Fragment.RESUMED) { 1182681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn mActivity.supportInvalidateOptionsMenu(); 1183cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mNeedMenuInvalidate = false; 1184cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1185cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1186cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1187abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell 1188abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell void startPendingDeferredFragments() { 11891199ae7067cdf8cf3eb30c057a61ae71a0aea1e5Adam Powell if (mActive == null) return; 11901199ae7067cdf8cf3eb30c057a61ae71a0aea1e5Adam Powell 1191abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell for (int i=0; i<mActive.size(); i++) { 1192abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell Fragment f = mActive.get(i); 1193abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell if (f != null) { 1194abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell performPendingDeferredStart(f); 1195abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 1196abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 1197abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 1198cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1199cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void makeActive(Fragment f) { 1200cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mIndex >= 0) { 1201cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return; 1202cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1203cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1204cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailIndices == null || mAvailIndices.size() <= 0) { 1205cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive == null) { 1206cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActive = new ArrayList<Fragment>(); 1207cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1208cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.setIndex(mActive.size()); 1209cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActive.add(f); 1210cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1211cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1212cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.setIndex(mAvailIndices.remove(mAvailIndices.size()-1)); 1213cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActive.set(f.mIndex, f); 1214cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1215be2c79d9a5439922030d2a3846c81c61f0e16912Dianne Hackborn if (DEBUG) Log.v(TAG, "Allocated fragment index " + f); 1216cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1217cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1218cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void makeInactive(Fragment f) { 1219cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mIndex < 0) { 1220cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return; 1221cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1222cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1223be2c79d9a5439922030d2a3846c81c61f0e16912Dianne Hackborn if (DEBUG) Log.v(TAG, "Freeing fragment index " + f); 1224cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActive.set(f.mIndex, null); 1225cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailIndices == null) { 1226cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailIndices = new ArrayList<Integer>(); 1227cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1228cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailIndices.add(f.mIndex); 12293137d1472f1de9eac2e9a5dbe5b8d91282b24e66Dianne Hackborn mActivity.invalidateSupportFragmentIndex(f.mIndex); 12309c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn f.initState(); 1231cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1232cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1233cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void addFragment(Fragment fragment, boolean moveToStateNow) { 1234cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAdded == null) { 1235cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAdded = new ArrayList<Fragment>(); 1236cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1237cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "add: " + fragment); 1238e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn makeActive(fragment); 1239e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (!fragment.mDetached) { 1240e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn mAdded.add(fragment); 1241e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mAdded = true; 1242e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mRemoving = false; 12432a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (fragment.mHasMenu && fragment.mMenuVisible) { 1244e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn mNeedMenuInvalidate = true; 1245e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1246e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (moveToStateNow) { 1247e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn moveToState(fragment); 1248e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1249cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1250cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1251cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1252cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void removeFragment(Fragment fragment, int transition, int transitionStyle) { 1253cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "remove: " + fragment + " nesting=" + fragment.mBackStackNesting); 1254e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn final boolean inactive = !fragment.isInBackStack(); 1255e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (!fragment.mDetached || inactive) { 1256464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 1257464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn mAdded.remove(fragment); 1258464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn } 12592a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (fragment.mHasMenu && fragment.mMenuVisible) { 1260e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn mNeedMenuInvalidate = true; 1261e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1262e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mAdded = false; 1263e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mRemoving = true; 1264e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn moveToState(fragment, inactive ? Fragment.INITIALIZING : Fragment.CREATED, 12655506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn transition, transitionStyle, false); 1266cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1267cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1268cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1269cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void hideFragment(Fragment fragment, int transition, int transitionStyle) { 1270cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "hide: " + fragment); 1271cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!fragment.mHidden) { 1272cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mHidden = true; 1273cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fragment.mView != null) { 12749277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn Animation anim = loadAnimation(fragment, transition, true, 1275cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn transitionStyle); 1276cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (anim != null) { 1277cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mView.startAnimation(anim); 1278cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1279cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mView.setVisibility(View.GONE); 1280cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 12812a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (fragment.mAdded && fragment.mHasMenu && fragment.mMenuVisible) { 1282cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mNeedMenuInvalidate = true; 1283cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1284cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.onHiddenChanged(true); 1285cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1286cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1287cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1288cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void showFragment(Fragment fragment, int transition, int transitionStyle) { 1289cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "show: " + fragment); 1290cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fragment.mHidden) { 1291cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mHidden = false; 1292cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fragment.mView != null) { 12939277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn Animation anim = loadAnimation(fragment, transition, true, 1294cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn transitionStyle); 1295cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (anim != null) { 1296cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mView.startAnimation(anim); 1297cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1298cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mView.setVisibility(View.VISIBLE); 1299cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 13002a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (fragment.mAdded && fragment.mHasMenu && fragment.mMenuVisible) { 1301cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mNeedMenuInvalidate = true; 1302cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1303cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.onHiddenChanged(false); 1304cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1305cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1306cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1307e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn public void detachFragment(Fragment fragment, int transition, int transitionStyle) { 1308e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (DEBUG) Log.v(TAG, "detach: " + fragment); 1309e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (!fragment.mDetached) { 1310e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mDetached = true; 1311e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (fragment.mAdded) { 1312e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn // We are not already in back stack, so need to remove the fragment. 1313464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 1314464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn mAdded.remove(fragment); 1315464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn } 13162a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (fragment.mHasMenu && fragment.mMenuVisible) { 1317e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn mNeedMenuInvalidate = true; 1318e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1319e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mAdded = false; 13205506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn moveToState(fragment, Fragment.CREATED, transition, transitionStyle, false); 1321e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1322e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1323e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1324e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn 1325e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn public void attachFragment(Fragment fragment, int transition, int transitionStyle) { 1326e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (DEBUG) Log.v(TAG, "attach: " + fragment); 1327e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (fragment.mDetached) { 1328e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mDetached = false; 1329e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (!fragment.mAdded) { 1330464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded == null) { 1331464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn mAdded = new ArrayList<Fragment>(); 1332464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn } 1333e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn mAdded.add(fragment); 1334e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mAdded = true; 13352a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (fragment.mHasMenu && fragment.mMenuVisible) { 1336e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn mNeedMenuInvalidate = true; 1337e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 13385506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn moveToState(fragment, mCurState, transition, transitionStyle, false); 1339e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1340e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1341e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1342e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn 1343cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public Fragment findFragmentById(int id) { 1344464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 1345cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // First look through added fragments. 1346cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=mAdded.size()-1; i>=0; i--) { 1347cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 1348cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null && f.mFragmentId == id) { 1349cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 1350cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1351cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1352464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn } 1353464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mActive != null) { 1354cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Now for any known fragment. 1355cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=mActive.size()-1; i>=0; i--) { 1356cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(i); 1357cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null && f.mFragmentId == id) { 1358cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 1359cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1360cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1361cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1362cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 1363cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1364cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1365cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public Fragment findFragmentByTag(String tag) { 1366464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null && tag != null) { 1367cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // First look through added fragments. 1368cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=mAdded.size()-1; i>=0; i--) { 1369cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 1370cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null && tag.equals(f.mTag)) { 1371cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 1372cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1373cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1374464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn } 1375464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mActive != null && tag != null) { 1376cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Now for any known fragment. 1377cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=mActive.size()-1; i>=0; i--) { 1378cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(i); 1379cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null && tag.equals(f.mTag)) { 1380cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 1381cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1382cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1383cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1384cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 1385cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1386cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1387cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public Fragment findFragmentByWho(String who) { 1388cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null && who != null) { 1389cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=mActive.size()-1; i>=0; i--) { 1390cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(i); 1391cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null && who.equals(f.mWho)) { 1392cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 1393cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1394cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1395cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1396cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 1397cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1398cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1399cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn private void checkStateLoss() { 1400cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mStateSaved) { 1401cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException( 1402cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn "Can not perform this action after onSaveInstanceState"); 1403cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1404cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mNoTransactionsBecause != null) { 1405cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException( 1406cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn "Can not perform this action inside of " + mNoTransactionsBecause); 1407cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1408cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1409cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1410cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void enqueueAction(Runnable action, boolean allowStateLoss) { 1411cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!allowStateLoss) { 1412cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn checkStateLoss(); 1413cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1414cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn synchronized (this) { 1415cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActivity == null) { 1416cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException("Activity has been destroyed"); 1417cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1418cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mPendingActions == null) { 1419cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mPendingActions = new ArrayList<Runnable>(); 1420cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1421cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mPendingActions.add(action); 1422cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mPendingActions.size() == 1) { 1423cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActivity.mHandler.removeCallbacks(mExecCommit); 1424cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActivity.mHandler.post(mExecCommit); 1425cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1426cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1427cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1428cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1429cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public int allocBackStackIndex(BackStackRecord bse) { 1430cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn synchronized (this) { 1431cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailBackStackIndices == null || mAvailBackStackIndices.size() <= 0) { 1432cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackIndices == null) { 1433cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices = new ArrayList<BackStackRecord>(); 1434cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1435cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int index = mBackStackIndices.size(); 1436cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Setting back stack index " + index + " to " + bse); 1437cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.add(bse); 1438cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return index; 1439cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1440cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1441cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int index = mAvailBackStackIndices.remove(mAvailBackStackIndices.size()-1); 1442cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Adding back stack index " + index + " with " + bse); 1443cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.set(index, bse); 1444cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return index; 1445cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1446cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1447cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1448cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1449cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void setBackStackIndex(int index, BackStackRecord bse) { 1450cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn synchronized (this) { 1451cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackIndices == null) { 1452cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices = new ArrayList<BackStackRecord>(); 1453cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1454cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int N = mBackStackIndices.size(); 1455cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (index < N) { 1456cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Setting back stack index " + index + " to " + bse); 1457cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.set(index, bse); 1458cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1459cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn while (N < index) { 1460cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.add(null); 1461cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailBackStackIndices == null) { 1462cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailBackStackIndices = new ArrayList<Integer>(); 1463cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1464cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Adding available back stack index " + N); 1465cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailBackStackIndices.add(N); 1466cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N++; 1467cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1468cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Adding back stack index " + index + " with " + bse); 1469cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.add(bse); 1470cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1471cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1472cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1473cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1474cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void freeBackStackIndex(int index) { 1475cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn synchronized (this) { 1476cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.set(index, null); 1477cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailBackStackIndices == null) { 1478cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailBackStackIndices = new ArrayList<Integer>(); 1479cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1480cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Freeing back stack index " + index); 1481cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailBackStackIndices.add(index); 1482cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1483cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1484cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1485cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 1486cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Only call from main thread! 1487cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 1488cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean execPendingActions() { 1489cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mExecutingActions) { 1490cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException("Recursive entry to executePendingTransactions"); 1491cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1492cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1493cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (Looper.myLooper() != mActivity.mHandler.getLooper()) { 1494cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException("Must be called from main thread of process"); 1495cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1496cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1497cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean didSomething = false; 1498cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1499cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn while (true) { 1500cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int numActions; 1501cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1502cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn synchronized (this) { 1503cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mPendingActions == null || mPendingActions.size() == 0) { 150479398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell break; 1505cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1506cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1507cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn numActions = mPendingActions.size(); 1508cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mTmpActions == null || mTmpActions.length < numActions) { 1509cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mTmpActions = new Runnable[numActions]; 1510cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1511cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mPendingActions.toArray(mTmpActions); 1512cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mPendingActions.clear(); 1513cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActivity.mHandler.removeCallbacks(mExecCommit); 1514cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1515cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1516cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mExecutingActions = true; 1517cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<numActions; i++) { 1518cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mTmpActions[i].run(); 15199f491519261135d9de50b60c2182755ccb665bf5Jeff Sharkey mTmpActions[i] = null; 1520cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1521cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mExecutingActions = false; 1522cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn didSomething = true; 1523cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 152479398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell 152579398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell if (mHavePendingDeferredStart) { 152679398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell boolean loadersRunning = false; 152779398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell for (int i=0; i<mActive.size(); i++) { 152879398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell Fragment f = mActive.get(i); 152979398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell if (f != null && f.mLoaderManager != null) { 153079398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell loadersRunning |= f.mLoaderManager.hasRunningLoaders(); 153179398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 153279398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 153379398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell if (!loadersRunning) { 153479398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell mHavePendingDeferredStart = false; 153579398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell startPendingDeferredFragments(); 153679398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 153779398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 153879398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell return didSomething; 1539cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 154079398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell 1541cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void reportBackStackChanged() { 1542cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackChangeListeners != null) { 1543cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mBackStackChangeListeners.size(); i++) { 1544cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackChangeListeners.get(i).onBackStackChanged(); 1545cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1546cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1547cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1548cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1549cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void addBackStackState(BackStackRecord state) { 1550cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStack == null) { 1551cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack = new ArrayList<BackStackRecord>(); 1552cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1553cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack.add(state); 1554cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn reportBackStackChanged(); 1555cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1556cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1557cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean popBackStackState(Handler handler, String name, int id, int flags) { 1558cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStack == null) { 1559cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 1560cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1561cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (name == null && id < 0 && (flags&POP_BACK_STACK_INCLUSIVE) == 0) { 1562cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int last = mBackStack.size()-1; 1563cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (last < 0) { 1564cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 1565cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1566cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn final BackStackRecord bss = mBackStack.remove(last); 1567cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn bss.popFromBackStack(true); 1568cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn reportBackStackChanged(); 1569cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1570cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int index = -1; 1571cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (name != null || id >= 0) { 1572cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // If a name or ID is specified, look for that place in 1573cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // the stack. 1574cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn index = mBackStack.size()-1; 1575cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn while (index >= 0) { 1576cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackRecord bss = mBackStack.get(index); 1577cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (name != null && name.equals(bss.getName())) { 1578cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 1579cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1580cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (id >= 0 && id == bss.mIndex) { 1581cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 1582cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1583cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn index--; 1584cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1585cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (index < 0) { 1586cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 1587cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1588cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if ((flags&POP_BACK_STACK_INCLUSIVE) != 0) { 1589cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn index--; 1590cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Consume all following entries that match. 1591cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn while (index >= 0) { 1592cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackRecord bss = mBackStack.get(index); 1593cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if ((name != null && name.equals(bss.getName())) 1594cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn || (id >= 0 && id == bss.mIndex)) { 1595cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn index--; 1596cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn continue; 1597cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1598cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 1599cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1600cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1601cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1602cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (index == mBackStack.size()-1) { 1603cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 1604cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1605cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn final ArrayList<BackStackRecord> states 1606cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn = new ArrayList<BackStackRecord>(); 1607cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=mBackStack.size()-1; i>index; i--) { 1608cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn states.add(mBackStack.remove(i)); 1609cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1610cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn final int LAST = states.size()-1; 1611cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<=LAST; i++) { 1612cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Popping back stack state: " + states.get(i)); 1613cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn states.get(i).popFromBackStack(i == LAST); 1614cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1615cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn reportBackStackChanged(); 1616cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1617cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return true; 1618cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1619cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1620cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Fragment> retainNonConfig() { 1621cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Fragment> fragments = null; 1622cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null) { 1623cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mActive.size(); i++) { 1624cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(i); 1625cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null && f.mRetainInstance) { 1626cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fragments == null) { 1627cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragments = new ArrayList<Fragment>(); 1628cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1629cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragments.add(f); 1630cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mRetaining = true; 16312c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn f.mTargetIndex = f.mTarget != null ? f.mTarget.mIndex : -1; 1632be2c79d9a5439922030d2a3846c81c61f0e16912Dianne Hackborn if (DEBUG) Log.v(TAG, "retainNonConfig: keeping retained " + f); 1633cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1634cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1635cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1636cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return fragments; 1637cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1638cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1639cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void saveFragmentViewState(Fragment f) { 1640cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mInnerView == null) { 1641cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return; 1642cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1643cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mStateArray == null) { 1644cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateArray = new SparseArray<Parcelable>(); 1645ea2c91b0198855073983b4a8437aa71cbd83872fDianne Hackborn } else { 1646ea2c91b0198855073983b4a8437aa71cbd83872fDianne Hackborn mStateArray.clear(); 1647cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1648cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInnerView.saveHierarchyState(mStateArray); 1649cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mStateArray.size() > 0) { 1650cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mSavedViewState = mStateArray; 1651cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateArray = null; 1652cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1653cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1654cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 16555c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn Bundle saveFragmentBasicState(Fragment f) { 16565c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn Bundle result = null; 16575c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 16585c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (mStateBundle == null) { 16595c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn mStateBundle = new Bundle(); 16605c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 16615c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn f.onSaveInstanceState(mStateBundle); 16625c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (!mStateBundle.isEmpty()) { 16635c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn result = mStateBundle; 16645c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn mStateBundle = null; 16655c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 16665c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 16675c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (f.mView != null) { 16685c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn saveFragmentViewState(f); 16695c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 16705c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (f.mSavedViewState != null) { 16715c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (result == null) { 16725c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn result = new Bundle(); 16735c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 16745c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn result.putSparseParcelableArray( 16755c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn FragmentManagerImpl.VIEW_STATE_TAG, f.mSavedViewState); 16765c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 167779398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell if (!f.mUserVisibleHint) { 1678f4c0cf637ba73374a206cec26c09d4dfa4c1a364Jake Wharton if (result == null) { 1679f4c0cf637ba73374a206cec26c09d4dfa4c1a364Jake Wharton result = new Bundle(); 1680f4c0cf637ba73374a206cec26c09d4dfa4c1a364Jake Wharton } 168179398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell // Only add this if it's not the default value 168279398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell result.putBoolean(FragmentManagerImpl.USER_VISIBLE_HINT_TAG, f.mUserVisibleHint); 168379398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 16845c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 16855c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn return result; 16865c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 16875c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 1688cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Parcelable saveAllState() { 1689cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Make sure all pending operations have now been executed to get 1690cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // our state update-to-date. 1691cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn execPendingActions(); 1692cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1693681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn if (HONEYCOMB) { 1694681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // As of Honeycomb, we save state after pausing. Prior to that 1695681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // it is before pausing. With fragments this is an issue, since 1696681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // there are many things you may do after pausing but before 1697681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // stopping that change the fragment state. For those older 1698681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // devices, we will not at this point say that we have saved 1699681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // the state, so we will allow them to continue doing fragment 1700681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // transactions. This retains the same semantics as Honeycomb, 1701681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // though you do have the risk of losing the very most recent state 1702681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // if the process is killed... we'll live with that. 1703681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn mStateSaved = true; 1704681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn } 1705cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1706cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive == null || mActive.size() <= 0) { 1707cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 1708cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1709cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1710cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // First collect all active fragments. 1711cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int N = mActive.size(); 1712cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentState[] active = new FragmentState[N]; 1713cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean haveFragments = false; 1714cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 1715cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(i); 1716cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null) { 17171b913519b1c03b084779851e81db2e1a11eb0b0dDianne Hackborn if (f.mIndex < 0) { 17181b913519b1c03b084779851e81db2e1a11eb0b0dDianne Hackborn String msg = "Failure saving state: active " + f 17191b913519b1c03b084779851e81db2e1a11eb0b0dDianne Hackborn + " has cleared index: " + f.mIndex; 17201b913519b1c03b084779851e81db2e1a11eb0b0dDianne Hackborn Log.e(TAG, msg); 17211b913519b1c03b084779851e81db2e1a11eb0b0dDianne Hackborn dump(" ", null, new PrintWriter(new LogWriter(TAG)), new String[] { }); 17221b913519b1c03b084779851e81db2e1a11eb0b0dDianne Hackborn throw new IllegalStateException(msg); 17231b913519b1c03b084779851e81db2e1a11eb0b0dDianne Hackborn } 17241b913519b1c03b084779851e81db2e1a11eb0b0dDianne Hackborn 1725cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn haveFragments = true; 1726cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1727cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentState fs = new FragmentState(f); 1728cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn active[i] = fs; 1729cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1730cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mState > Fragment.INITIALIZING && fs.mSavedFragmentState == null) { 17315c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn fs.mSavedFragmentState = saveFragmentBasicState(f); 1732cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1733cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mTarget != null) { 1734cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mTarget.mIndex < 0) { 1735cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn String msg = "Failure saving state: " + f 1736cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " has target not in fragment manager: " + f.mTarget; 1737cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Log.e(TAG, msg); 1738cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn dump(" ", null, new PrintWriter(new LogWriter(TAG)), new String[] { }); 1739cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException(msg); 1740cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1741cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fs.mSavedFragmentState == null) { 1742cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mSavedFragmentState = new Bundle(); 1743cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1744cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn putFragment(fs.mSavedFragmentState, 1745cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.TARGET_STATE_TAG, f.mTarget); 1746cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mTargetRequestCode != 0) { 1747cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mSavedFragmentState.putInt( 1748cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.TARGET_REQUEST_CODE_STATE_TAG, 1749cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mTargetRequestCode); 1750cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1751cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1752cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1753cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1754cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mSavedFragmentState = f.mSavedFragmentState; 1755cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1756cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1757cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Saved state of " + f + ": " 1758cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + fs.mSavedFragmentState); 1759cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1760cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1761cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1762cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!haveFragments) { 1763cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "saveAllState: no fragments!"); 1764cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 1765cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1766cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1767cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int[] added = null; 1768cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackState[] backStack = null; 1769cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1770cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Build list of currently added fragments. 1771cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAdded != null) { 1772cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mAdded.size(); 1773cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 1774cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn added = new int[N]; 1775cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 1776cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn added[i] = mAdded.get(i).mIndex; 17771b913519b1c03b084779851e81db2e1a11eb0b0dDianne Hackborn if (added[i] < 0) { 17781b913519b1c03b084779851e81db2e1a11eb0b0dDianne Hackborn String msg = "Failure saving state: active " + mAdded.get(i) 17791b913519b1c03b084779851e81db2e1a11eb0b0dDianne Hackborn + " has cleared index: " + added[i]; 17801b913519b1c03b084779851e81db2e1a11eb0b0dDianne Hackborn Log.e(TAG, msg); 17811b913519b1c03b084779851e81db2e1a11eb0b0dDianne Hackborn dump(" ", null, new PrintWriter(new LogWriter(TAG)), new String[] { }); 17821b913519b1c03b084779851e81db2e1a11eb0b0dDianne Hackborn throw new IllegalStateException(msg); 17831b913519b1c03b084779851e81db2e1a11eb0b0dDianne Hackborn } 1784cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "saveAllState: adding fragment #" + i 1785cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + ": " + mAdded.get(i)); 1786cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1787cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1788cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1789cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1790cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Now save back stack. 1791cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStack != null) { 1792cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mBackStack.size(); 1793cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 1794cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn backStack = new BackStackState[N]; 1795cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 1796cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn backStack[i] = new BackStackState(this, mBackStack.get(i)); 1797cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "saveAllState: adding back stack #" + i 1798cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + ": " + mBackStack.get(i)); 1799cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1800cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1801cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1802cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1803cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerState fms = new FragmentManagerState(); 1804cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fms.mActive = active; 1805cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fms.mAdded = added; 1806cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fms.mBackStack = backStack; 1807cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return fms; 1808cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1809cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1810cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void restoreAllState(Parcelable state, ArrayList<Fragment> nonConfig) { 1811cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // If there is no saved state at all, then there can not be 1812cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // any nonConfig fragments either, so that is that. 1813cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (state == null) return; 1814cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerState fms = (FragmentManagerState)state; 1815cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fms.mActive == null) return; 1816cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1817cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // First re-attach any non-config instances we are retaining back 1818cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // to their saved state, so we don't try to instantiate them again. 1819cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (nonConfig != null) { 1820cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<nonConfig.size(); i++) { 1821cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = nonConfig.get(i); 1822cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "restoreAllState: re-attaching retained " + f); 1823cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentState fs = fms.mActive[f.mIndex]; 1824cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mInstance = f; 1825cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mSavedViewState = null; 1826cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mBackStackNesting = 0; 1827cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInLayout = false; 1828cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mAdded = false; 18292c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn f.mTarget = null; 1830cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fs.mSavedFragmentState != null) { 1831cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mSavedFragmentState.setClassLoader(mActivity.getClassLoader()); 1832cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mSavedViewState = fs.mSavedFragmentState.getSparseParcelableArray( 1833cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.VIEW_STATE_TAG); 1834cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1835cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1836cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1837cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1838cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Build the full list of active fragments, instantiating them from 1839cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // their saved state. 1840cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActive = new ArrayList<Fragment>(fms.mActive.length); 1841cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailIndices != null) { 1842cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailIndices.clear(); 1843cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1844cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<fms.mActive.length; i++) { 1845cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentState fs = fms.mActive[i]; 1846cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fs != null) { 1847cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = fs.instantiate(mActivity); 1848cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "restoreAllState: adding #" + i + ": " + f); 1849cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActive.add(f); 1850cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Now that the fragment is instantiated (or came from being 1851cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // retained above), clear mInstance in case we end up re-restoring 1852cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // from this FragmentState again. 1853cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mInstance = null; 1854cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1855cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "restoreAllState: adding #" + i + ": (null)"); 1856cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActive.add(null); 1857cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailIndices == null) { 1858cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailIndices = new ArrayList<Integer>(); 1859cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1860cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "restoreAllState: adding avail #" + i); 1861cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailIndices.add(i); 1862cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1863cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1864cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1865cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Update the target of all retained fragments. 1866cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (nonConfig != null) { 1867cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<nonConfig.size(); i++) { 1868cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = nonConfig.get(i); 18692c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn if (f.mTargetIndex >= 0) { 18702c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn if (f.mTargetIndex < mActive.size()) { 18712c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn f.mTarget = mActive.get(f.mTargetIndex); 1872cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1873cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Log.w(TAG, "Re-attaching retained fragment " + f 18742c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn + " target no longer exists: " + f.mTargetIndex); 1875cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mTarget = null; 1876cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1877cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1878cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1879cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1880cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1881cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Build the list of currently added fragments. 1882cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fms.mAdded != null) { 1883cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAdded = new ArrayList<Fragment>(fms.mAdded.length); 1884cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<fms.mAdded.length; i++) { 1885cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(fms.mAdded[i]); 1886cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f == null) { 1887cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException( 1888cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn "No instantiated fragment for index #" + fms.mAdded[i]); 1889cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1890cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mAdded = true; 1891cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "restoreAllState: making added #" + i + ": " + f); 1892cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAdded.add(f); 1893cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1894cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1895cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAdded = null; 1896cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1897cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1898cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Build the back stack. 1899cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fms.mBackStack != null) { 1900cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack = new ArrayList<BackStackRecord>(fms.mBackStack.length); 1901cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<fms.mBackStack.length; i++) { 1902cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackRecord bse = fms.mBackStack[i].instantiate(this); 1903cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "restoreAllState: adding bse #" + i 1904cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " (index " + bse.mIndex + "): " + bse); 1905cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack.add(bse); 1906cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (bse.mIndex >= 0) { 1907cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn setBackStackIndex(bse.mIndex, bse); 1908cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1909cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1910cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1911cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack = null; 1912cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1913cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1914cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1915cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void attachActivity(FragmentActivity activity) { 1916cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActivity != null) throw new IllegalStateException(); 1917cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActivity = activity; 1918cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1919cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1920cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void noteStateNotSaved() { 1921cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateSaved = false; 1922cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1923cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1924cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchCreate() { 1925cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateSaved = false; 1926cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(Fragment.CREATED, false); 1927cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1928cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1929cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchActivityCreated() { 1930cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateSaved = false; 1931cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(Fragment.ACTIVITY_CREATED, false); 1932cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1933cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1934cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchStart() { 1935cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateSaved = false; 1936cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(Fragment.STARTED, false); 1937cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1938cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1939cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchResume() { 1940cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateSaved = false; 1941cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(Fragment.RESUMED, false); 1942cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1943cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1944cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchPause() { 1945cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(Fragment.STARTED, false); 1946cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1947cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1948cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchStop() { 1949681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // See saveAllState() for the explanation of this. We do this for 1950681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // all platform versions, to keep our behavior more consistent between 1951681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // them. 1952681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn mStateSaved = true; 1953681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn 1954e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn moveToState(Fragment.STOPPED, false); 1955cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1956cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1957218c1e661578e2a17928f7dbb590b43d1c79aeb7Dianne Hackborn public void dispatchReallyStop() { 1958218c1e661578e2a17928f7dbb590b43d1c79aeb7Dianne Hackborn moveToState(Fragment.ACTIVITY_CREATED, false); 1959681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn } 1960681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn 1961cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchDestroy() { 1962cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mDestroyed = true; 1963e8b402b00c0cbdac050c349a5fc89c34580f3185Dianne Hackborn execPendingActions(); 1964cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(Fragment.INITIALIZING, false); 1965cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActivity = null; 1966cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1967cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1968cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchConfigurationChanged(Configuration newConfig) { 1969464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 1970cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 1971cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 1972cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null) { 1973cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onConfigurationChanged(newConfig); 1974cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1975cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1976cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1977cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1978cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1979cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchLowMemory() { 1980464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 1981cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 1982cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 1983cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null) { 1984cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onLowMemory(); 1985cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1986cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1987cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1988cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1989cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1990cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean dispatchCreateOptionsMenu(Menu menu, MenuInflater inflater) { 1991cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean show = false; 1992cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Fragment> newMenus = null; 1993464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 1994cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 1995cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 19962a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (f != null && !f.mHidden && f.mHasMenu && f.mMenuVisible) { 1997cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn show = true; 1998cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onCreateOptionsMenu(menu, inflater); 1999cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newMenus == null) { 2000cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn newMenus = new ArrayList<Fragment>(); 2001cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2002cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn newMenus.add(f); 2003cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2004cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2005cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2006cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 2007cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mCreatedMenus != null) { 2008cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mCreatedMenus.size(); i++) { 2009cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mCreatedMenus.get(i); 2010cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newMenus == null || !newMenus.contains(f)) { 2011cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onDestroyOptionsMenu(); 2012cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2013cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2014cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2015cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 2016cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mCreatedMenus = newMenus; 2017cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 2018cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return show; 2019cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2020cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 2021cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean dispatchPrepareOptionsMenu(Menu menu) { 2022cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean show = false; 2023464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 2024cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 2025cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 20262a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (f != null && !f.mHidden && f.mHasMenu && f.mMenuVisible) { 2027cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn show = true; 2028cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onPrepareOptionsMenu(menu); 2029cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2030cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2031cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2032cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return show; 2033cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2034cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 2035cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean dispatchOptionsItemSelected(MenuItem item) { 2036464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 2037cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 2038cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 20392a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (f != null && !f.mHidden && f.mHasMenu && f.mMenuVisible) { 2040cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.onOptionsItemSelected(item)) { 2041cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return true; 2042cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2043cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2044cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2045cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2046cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 2047cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2048cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 2049cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean dispatchContextItemSelected(MenuItem item) { 2050464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 2051cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 2052cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 20533af7ac0c50606fabc975b5f2b8576cfe3212d65dJake Wharton if (f != null && !f.mHidden && f.mUserVisibleHint) { 2054cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.onContextItemSelected(item)) { 2055cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return true; 2056cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2057cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2058cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2059cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2060cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 2061cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2062cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 2063cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchOptionsMenuClosed(Menu menu) { 2064464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 2065cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 2066cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 20672a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (f != null && !f.mHidden && f.mHasMenu && f.mMenuVisible) { 2068cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onOptionsMenuClosed(menu); 2069cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2070cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2071cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2072cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2073cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 2074cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public static int reverseTransit(int transit) { 2075cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int rev = 0; 2076cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn switch (transit) { 2077cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_OPEN: 2078cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn rev = FragmentTransaction.TRANSIT_FRAGMENT_CLOSE; 2079cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 2080cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_CLOSE: 2081cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn rev = FragmentTransaction.TRANSIT_FRAGMENT_OPEN; 2082cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 2083cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_FADE: 2084cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn rev = FragmentTransaction.TRANSIT_FRAGMENT_FADE; 2085cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 2086cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2087cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return rev; 2088cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 2089cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2090cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 20919277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_OPEN_ENTER = 1; 20929277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_OPEN_EXIT = 2; 20939277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_CLOSE_ENTER = 3; 20949277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_CLOSE_EXIT = 4; 20959277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_FADE_ENTER = 5; 20969277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_FADE_EXIT = 6; 20979277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn 2098cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public static int transitToStyleIndex(int transit, boolean enter) { 2099cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int animAttr = -1; 2100cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn switch (transit) { 2101cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_OPEN: 21029277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn animAttr = enter ? ANIM_STYLE_OPEN_ENTER : ANIM_STYLE_OPEN_EXIT; 2103cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 2104cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_CLOSE: 21059277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn animAttr = enter ? ANIM_STYLE_CLOSE_ENTER : ANIM_STYLE_CLOSE_EXIT; 2106cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 2107cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_FADE: 21089277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn animAttr = enter ? ANIM_STYLE_FADE_ENTER : ANIM_STYLE_FADE_EXIT; 2109cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 2110cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2111cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return animAttr; 2112cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2113cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn} 2114